Cannot push to repository

#!sh
$ hg -vvvvv --debug push ssh://hg@bitbucket.org/webknjaz/vkontakte -f
pushing to ssh://hg@bitbucket.org/webknjaz/vkontakte
running ssh hg@bitbucket.org 'hg -R webknjaz/vkontakte serve --stdio'
sending hello command
sending between command
remote: 145
remote: capabilities: lookup changegroupsubset branchmap pushkey known getbundle unbundlehash batch stream unbundle=HG10GZ,HG10BZ,HG10UN httpheader=1024
remote: 1
query 1; heads
sending batch command
searching for changes
all remote heads known locally
1 changesets found
list of changesets:
964dcaacfe2f3cb3a71405c6f5863f366330d424
sending unbundle command
bundling: 1/1 changesets (100.00%)
bundling: 1/1 manifests (100.00%)
bundling: .hgignore 1/4 files (25.00%)
bundling: vkontakte/api.py 2/4 files (50.00%)
bundling: vkontakte/http.py 3/4 files (75.00%)
bundling: vkontakte/tests.py 4/4 files (100.00%)